We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."
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A standardized self-contained executable artifact
10. 联合国报告：全球经济展现韧性但增长乏力贸易紧张与债务压力拖累前景 - the United Nations, www.un.org/ru/node/238…